MLPAB-1554 Add new donor-submission-completed event (#31)

domains/POAS/events/donor-submission-completed/examples/example.json

@@ -0,0 +1,3 @@
+{
+  "uid": "M-1234-5678-9012"
+}

domains/POAS/events/donor-submission-completed/index.md

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+---
+name: donor-submission-completed
+version: 0.0.1
+summary: |
+    Announces that the donor has completed their LPA submission
+producers:
+    - opg.poas.sirius
+consumers:
+    - opg.poas.makeregister
+owners:
+    - vega
+    - mrlpa
+---
+
+## Details
+
+When a donor has completed their LPA, it is valid, and they have paid for it, this event is triggered and causes the certificate provider to be notified that they can start their actions.
+
+<NodeGraph title="Consumer / Producer Diagram" />
+
+<EventExamples />
+
+<Schema />

domains/POAS/events/donor-submission-completed/schema.json

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+{
+  "$id": "https://opg.service.justice.gov.uk/opg.poas.sirius/donor-submission-completed.json",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "title": "opg.poas.sirius/donor-submission-completed",
+  "type": "object",
+  "properties": {
+    "uid": {
+      "type": "string",
+      "description": "The UID of the LPA",
+      "pattern": "M(-[A-Z0-9]{4}){3}"
+    }
+  },
+  "required": ["uid"]
+}